"""
Case Type   : 多节点写入
Case Name   : 备机在存储过程中进行只读查询
Create At   : 2023/1/4
Owner       : @li-xin12345
Description :
    1.修改enable_remote_execute参数值为on
    2.主机创建表，创建存储过程
    3.备机在存储过程中进行只读查询
    4.备机查看日志打印
    5.环境清理，恢复参数
Expect      :
    1.修改成功
    2.创建成功
    3.执行成功
    4.不转发给主机
    5.环境清理成功，恢复参数成功
History     :
    Modified by @li-xin12345 2023/3/13:添加等待时间，等待主备数据同步
    Modified by @li-xin12345 2023/3/15:研发代码变更，libpqsw日志打印增加线程号，优化断言以适配新代码
"""
import os
import time
import unittest
from yat.test import Node
from yat.test import macro
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant

PrimarySh = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == PrimarySh.get_node_num(),
                 'Single node, and subsequent codes are not executed.')
class MultiNodeWrite(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.standby_node = Node('Standby1DbUser')
        self.standby_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()
        self.common = Common('Standby1DbUser')
        self.table_name = 't_multi_node_write_0004'
        self.procedure_name = 'p_multi_node_write_0004'
        self.new_log_path = os.path.join(macro.PG_LOG_PATH,
                                         'pg_log_multi_node_write_case0004')
        self.enable_remote_execute = 'enable_remote_execute'
        self.log_statement = 'log_statement'
        self.log_directory = 'log_directory'
        self.remote_execute_default = self.common.show_param(
            self.enable_remote_execute)
        self.log_statement_default = self.common.show_param(self.log_statement)
        self.log_dir_default = self.common.show_param(self.log_directory)
        shell_cmd = f"rm -rf {self.new_log_path}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.assertEquals('', shell_msg, '删除目录失败')

    def test_multi_node_write(self):
        step1 = "-----step1:修改enable_remote_execute参数值为on;expect:修改成功-----"
        self.logger.info(step1)
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}=on')
        self.assertTrue(result, '执行失败' + step1)
        restart_res = self.standby_sh.restart_db_cluster()
        self.assertTrue(restart_res, '执行失败' + step1)
        show_remote_execute = self.common.show_param(self.enable_remote_execute)
        self.assertEquals(show_remote_execute, 'on', '执行失败' + step1)
        result = self.standby_sh.execute_gsguc('reload',
                                               self.constant.GSGUC_SUCCESS_MSG,
                                               f'{self.log_statement}=all')
        self.assertTrue(result, '执行失败' + step1)
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_directory}=\'{self.new_log_path}\'', single=True)
        self.assertTrue(result, '执行失败' + step1)
        show_log_statement = self.common.show_param(self.log_statement)
        self.assertEquals(show_log_statement, 'all', '执行失败' + step1)
        show_log_directory = self.common.show_param(self.log_directory)
        self.assertEquals(show_log_directory, self.new_log_path, '执行失败' + step1)

        step2 = "-----step2:主机创建表，创建存储过程;expect:创建成功-----"
        self.logger.info(step2)
        create_cmd = f"drop table if exists {self.table_name};" \
            f"create table {self.table_name}(id int);" \
            f"insert into {self.table_name} values(generate_series(1,10));" \
            f"create or replace procedure {self.procedure_name}" \
            f"(tb_name varchar) is " \
            f"begin " \
            f"execute immediate 'select * from ' || tb_name ||';'; " \
            f"return;" \
            f"end;"
        create_msg = PrimarySh.execut_db_sql(create_cmd)
        self.logger.info(create_msg)
        self.assertIn(self.constant.TABLE_DROP_SUCCESS,
                      create_msg, '执行失败' + step2)
        self.assertIn(self.constant.CREATE_TABLE_SUCCESS,
                      create_msg, '执行失败' + step2)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG,
                      create_msg, '执行失败' + step2)
        self.assertIn(self.constant.CREATE_PROCEDURE_SUCCESS_MSG,
                      create_msg, '执行失败' + step2)
        time.sleep(10)

        step3 = "-----step3:备机在存储过程中进行只读查询;expect:执行成功-----"
        self.logger.info(step3)
        sql_cmd = f"call {self.procedure_name}('{self.table_name}');"
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn(self.procedure_name, sql_msg, '执行失败' + step3)
        self.assertNotIn('ERROR', sql_msg, '执行失败' + step3)
        time.sleep(3)

        step4 = "-----step4:备机查看日志打印;expect:不转发给主机-----"
        self.logger.info(step4)
        shell_cmd = f"ls -t {self.new_log_path}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        logfile = os.path.join(self.new_log_path, shell_msg.split()[-1])
        self.logger.info(logfile)
        shell_cmd = f"cat {logfile}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.logger.info(shell_msg)
        self.assertIn(f"LOG:  statement: call {self.procedure_name}"
                      f"('{self.table_name}');", shell_msg, '执行失败:' + step4)
        self.assertNotIn('Connecting to remote server', shell_msg,
                         '执行失败:' + step3)

    def tearDown(self):
        step5 = "-----step5:环境清理，恢复参数;expect:环境清理成功，恢复参数成功-----"
        self.logger.info(step5)
        drop_cmd = f"drop table {self.table_name};" \
            f"drop procedure {self.procedure_name};"
        drop_msg = PrimarySh.execut_db_sql(drop_cmd)
        self.logger.info(drop_msg)
        result1 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}={self.remote_execute_default}')
        restart_res = self.standby_sh.restart_db_cluster()
        show_remote_execute = self.common.show_param(self.enable_remote_execute)
        result2 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_statement}={self.log_statement_default}')
        result3 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_directory}=\'{self.log_dir_default}\'', single=True)
        show_log_statement = self.common.show_param(self.log_statement)
        show_log_directory = self.common.show_param(self.log_directory)
        self.logger.info("-----断言teardown-----")
        self.assertIn(self.constant.TABLE_DROP_SUCCESS,
                      drop_msg, '执行失败' + step5)
        self.assertIn(self.constant.DROP_PROCEDURE_SUCCESS_MSG,
                      drop_msg, '执行失败' + step5)
        self.assertTrue(result1, '执行失败' + step5)
        self.assertTrue(restart_res, '执行失败' + step5)
        self.assertEquals(show_remote_execute, self.remote_execute_default,
                          '执行失败' + step5)
        self.assertTrue(result2, '执行失败' + step5)
        self.assertTrue(result3, '执行失败' + step5)
        self.assertEquals(show_log_statement, self.log_statement_default,
                          '执行失败' + step5)
        self.assertEquals(show_log_directory, self.log_dir_default,
                          '执行失败' + step5)
        self.logger.info(f"-----{os.path.basename(__file__)} end-----")
